package com.document.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

import static com.google.common.collect.Lists.newArrayList;

/**
 * @author zhangwei
 * @date 2019/1/31 14:27
 */
@Configuration
@EnableSwagger2
@ConditionalOnProperty(prefix = "swagger",value = {"enable"},havingValue = "true")
public class SwaggerConfig implements WebMvcConfigurer {
    @Value("${swagger.title}")
    private String title;

    @Value("${swagger.description}")
    private String description;

    @Value("${swagger.version}")
    private String version;

    @Value("${swagger.base-package}")
    private String basePackage;

    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                //加了ApiOperation注解的类，才生成接口文档
                //.apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
                //包下的类，才生成接口文档
                .apis(RequestHandlerSelectors.basePackage(basePackage))
                .paths(PathSelectors.any())
                .build()
                .securitySchemes(security());//这个注解是token 在右上角Author...
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title(title)
                .description(description)
                .version(version)
                .build();
    }

    private List<ApiKey> security() {
        return newArrayList(
                new ApiKey("token", "token", "header")
        );
    }

}
